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Occurrence and Recovery of Certain Minor Metals in the Processing of Lead and Zinc.

Authors

Parker-JG

Source

NTIS: PB 300 437 :75 pages

Link

NIOSHTIC No.

10007997

Abstract

Many of the so-called minor metals are derived as byproducts from the processing of lead and zinc concentrates in which they occur as minor constituents. Concentrates from some lead-zinc mineral deposits are more enriched in metals such as cadmium, arsenic, bismuth, silver, and selenium than are others, and these sources offer a continuing, assured supply of certain of these metals. Despite the age of the data collected, the Bureau of Mines feels it to be highly desirable to publish due to its relevance to the objectives of the study which was to ascertain the flow of minor metals from certain smelter feeds. Efforts to trace these metals through the complicated lead and zinc processing steps included trying to ascertain losses and mode of loss of these metals. Losses of some metals in processing may be surmised as occurring in gaseous and other emissions, or possibly in slags and residues.